68859440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{907}}^1$

素因数の和:1006

約数の個数: 80

約数和(自身を含む): 174967968

約数和(自身を除く): 106108528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 73, 80, 104, 130, 146, 208, 260, 292, 365, 520, 584, 730, 907, 949, 1040, 1168, 1460, 1814, 1898, 2920, 3628, 3796, 4535, 4745, 5840, 7256, 7592, 9070, 9490, 11791, 14512, 15184, 18140, 18980, 23582, 36280, 37960, 47164, 58955, 66211, 72560, 75920, 94328, 117910, 132422, 188656, 235820, 264844, 331055, 471640, 529688, 662110, 860743, 943280, 1059376, 1324220, 1721486, 2648440, 3442972, 4303715, 5296880, 6885944, 8607430, 13771888, 17214860, 34429720, 68859440]

約数ペア:

[(1, 68859440), (2, 34429720), (4, 17214860), (5, 13771888), (8, 8607430), (10, 6885944), (13, 5296880), (16, 4303715), (20, 3442972), (26, 2648440), (40, 1721486), (52, 1324220), (65, 1059376), (73, 943280), (80, 860743), (104, 662110), (130, 529688), (146, 471640), (208, 331055), (260, 264844), (292, 235820), (365, 188656), (520, 132422), (584, 117910), (730, 94328), (907, 75920), (949, 72560), (1040, 66211), (1168, 58955), (1460, 47164), (1814, 37960), (1898, 36280), (2920, 23582), (3628, 18980), (3796, 18140), (4535, 15184), (4745, 14512), (5840, 11791), (7256, 9490), (7592, 9070)]